Fits Mercedes Benz CLS C E S 3B Modified New Smart Remote Key Shell Case FobFit Mercedes Benz CLS C E S 3B Modified New Smart Remote Key Shell Case Fob This is for you to replace your worn or broken case. All you need to do is to move the internal components from your old remote to our new case. There's NO PROGRAMMING NEEDED. The key blade need to be cutted at your local locksmith store. Please ensure your current remote key shell looks exactly the same as the shell in the picture. This part is compatible with the following